Javadoc improvements for #2022 - use of index params like ?1, ?2, ?3 etc

src/test/java/org/tests/query/TestWhereRawClause.java

@@ -1,6 +1,7 @@
 package org.tests.query;
 
 import io.ebean.BaseTestCase;
+import io.ebean.DB;
 import io.ebean.Ebean;
 import io.ebean.Expr;
 import io.ebean.Query;
@@ -57,7 +58,7 @@ public class TestWhereRawClause extends BaseTestCase {
 
     ResetBasicData.reset();
 
-    Query<Customer> query = Ebean.find(Customer.class)
+    Query<Customer> query = DB.find(Customer.class)
       .where()
       .raw("id in (select c.id from o_customer c where c.name in (?1))", asList("Rob", "Fiona", "Jack"))
       .query();